Meteoritical Bulletin: Entry for Alkali Flat

MetSoc Home Publications Contacts

Search the Meteoritical Bulletin Database
Last update: 24 Apr 2024
Search for:	Search type:	Search limits:	Display:	Publication:
Names Text Places Classes Years	Contains Starts with Exact Sounds like	NonAntarctic Falls Non-NWAs Has strewnfield		What's new in the last:
Include past classifications in search		Has photo	Limit to approved meteorite names
Search text:

Alkali Flat

Basic information

Name: Alkali Flat
This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2011
Country: United States
Mass: 28 g

Classification
history:

Meteoritical Bulletin:	MB 101	(2012)	L5
Recommended:			L5 [explanation]

This is 1 of 8891 approved meteorites (plus 5 unapproved names) classified as L5. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 17 Jul 2012

Writeup

Writeup from MB 101:

Alkali Flat 32°18.360’N, 108°54.228’W

New Mexico, USA

Found: 2011 Mar 7

Classification: Ordinary chondrite (L5)

History: A single stone was found by Ben Fisler on the south alkali salt flat of the Animas Valley.

Physical characteristics: Reddish brown, rough weathered exterior, saw cut reveals fine-grained sulfide and metal set in dark-brown matrix.

Petrography: (C. Agee, UNM) Microprobe examination of a polished thin section shows olivine, pyroxene, a few equilibrated chondrules, troilite, and kamacite.

Geochemistry: (C. Agee and N. Wilson, UNM) Olivine Fa_24.7±0.4, Fe/Mn=50±3, n=10; low-Ca pyroxene Fs_21.0±0.5Wo_1.6±0.2, Fe/Mn=30±2, n=10.

Classification: Ordinary chondrite (L5), weathering grade W2.

Specimens: 5.6 g including a polished thin section on deposit at UNM. Ben Fisler holds the main mass.

Data from:
  MB101
  Table 0
  Line 0:

State/Prov/County:	New Mexico
Date:	2011 Mar 7
Latitude:	32°18.360'N
Longitude:	108°54.228'W
Mass (g):	28
Pieces:	1
Class:	L5
Weathering grade:	W2
Fayalite (mol%):	24.7±0.4
Ferrosilite (mol%):	21.0±0.5
Wollastonite (mol%):	1.6±0.2
Classifier:	C. Agee, UNM
Type spec mass (g):	5.6
Type spec location:	UNM
Main mass:	Ben Fisler
Finder:	Ben Fisler
Comments:	Submitted by C. Agee

Institutions
and collections

UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015

Find references in NASA ADS:
Find references in Google Scholar:

Geography:

United States

Coordinates:
Recommended::	(32° 18' 22"N, 108° 54' 14"W)

Statistics:
This is 1 of 228 approved meteorites from New Mexico, United States (plus 2 unapproved names) (plus 1 impact crater)
This is 1 of 1927 approved meteorites from United States (plus 866 unapproved names) (plus 28 impact craters)

Proximity search:

Also see:

This lists the most popular meteorites among people who looked up this meteorite.

Revision
history:

This lists important revisions made to data for this record.

Direct link to this page